////////////////////////////////////////////////////////////////////////////// | |
// | |
// (C) Copyright Ion Gaztanaga 2005-2009. Distributed under the Boost | |
// Software License, Version 1.0. (See accompanying file | |
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
// | |
// See http://www.boost.org/libs/interprocess for documentation. | |
// | |
////////////////////////////////////////////////////////////////////////////// | |
#ifndef BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP | |
#define BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP | |
#if (defined _MSC_VER) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif | |
#include <boost/interprocess/detail/config_begin.hpp> | |
#include <boost/interprocess/detail/workaround.hpp> | |
#include <boost/interprocess/detail/type_traits.hpp> | |
#include <typeinfo> //typeid | |
//!\file | |
//!Describes an abstract interface for placement construction and destruction. | |
namespace boost { | |
namespace interprocess { | |
namespace detail { | |
struct in_place_interface | |
{ | |
in_place_interface(std::size_t alignm, std::size_t sz, const char *tname) | |
: alignment(alignm), size(sz), type_name(tname) | |
{} | |
std::size_t alignment; | |
std::size_t size; | |
const char *type_name; | |
virtual void construct_n(void *mem, std::size_t num, std::size_t &constructed) = 0; | |
virtual void destroy_n(void *mem, std::size_t num, std::size_t &destroyed) = 0; | |
virtual ~in_place_interface(){} | |
}; | |
template<class T> | |
struct placement_destroy : public in_place_interface | |
{ | |
placement_destroy() | |
: in_place_interface(detail::alignment_of<T>::value, sizeof(T), typeid(T).name()) | |
{} | |
virtual void destroy_n(void *mem, std::size_t num, std::size_t &destroyed) | |
{ | |
T* memory = static_cast<T*>(mem); | |
for(destroyed = 0; destroyed < num; ++destroyed) | |
(memory++)->~T(); | |
} | |
virtual void construct_n(void *, std::size_t, std::size_t &) {} | |
private: | |
void destroy(void *mem) | |
{ static_cast<T*>(mem)->~T(); } | |
}; | |
} | |
} | |
} //namespace boost { namespace interprocess { namespace detail { | |
#include <boost/interprocess/detail/config_end.hpp> | |
#endif //#ifndef BOOST_INTERPROCESS_IN_PLACE_INTERFACE_HPP |